Best 7KC Series User manual

7KC GRADE 2
CYLINDRICAL LOCKS
7KC SERIES
SERVICE MAN U A L

Copyright ©2021 dormakaba USA Inc. All rights reserved.
Information in this document is subject to change without notice and does
not represent a commitment on the part of dormakaba USA Inc. The software
described in this document are furnished under a license agreement or
nondisclosure agreement.
This publication is intended to be an accurate description and set of
instructions pertaining to its subject matter. However, as with any publication
of this complexity, errors or omissions are possible. Please call dormakaba
USA Inc. at 1-800-392-5209 if you see any errors or have any questions. No
part of this manual and/or databases may be reproduced or transmitted in
any form or by any means, electronic or mechanical, including photocopying,
recording, or information storage and retrieval systems, for any purpose,
without the express written permission of dormakaba USA Inc.
This document is distributed as is, without warranty of any kind, either express
or implied, respecting the contents of this book, including but not limited to
implied warranties for the publication’s quality, performance, merchantability,
or fitness for any particular purpose. Neither dormakaba USA Inc., nor its
dealers or distributors shall be liable to the user or any other person or entity
with respect to any liability, loss, or damage caused or alleged to be caused
directly or indirectly by this publication.
Life Safety Code is a registered trademark of the National Fire Protection
Association.
Written and designed by:
dormakaba USA Inc.
6161 East 75th Street
Indianapolis, IN 46250
T80621_Rev C 1832441 ER7991-6 August 2021
CREDITS/COPYRIGHT

CONTENTS
FIGURESV
GETTINGSTARTED1–1
Introduction 1–1
Certifications and standards 1–1
Documentation package 1–2
Technical support 1–3
Support services 1–3
Telephone technical support 1–3
FUNCTIONSANDPARTS LISTS2–1
Function descriptions 2–2
Single-keyed functions 2–2
Non-keyed functions 2–3
Functions by ANSI designation 2–3
AB function chassis and trim—entrance lock (ANSI F109) 2–4
Trim parts 2–5
Strikes and strike boxes 2–5
Roses 2–6
Buttons 2–6
Standard levers and throw member 2–7
Non-interchangeable lever and cylinders 2–8
Latches 2–9
Installation tools 2–10
7KC Series Service Manual iii

Contents
SERVICEANDMAINTENANCE3–1
Replacing parts 3–2
Replacing the lever 3–2
Replacing the inside rose 3–5
Replacing the outside rose 3–6
Replacing the button assembly 3–8
Lubricating the cores 3–10
Aligning the chassis and trim 3–11
Troubleshooting 3–12
INSTALLATIONINSTRUCTIONSA–1
Position template 1–3
Bore two holes and install latch 1–3
Install boring jig and drill two 5/16” diameter holes 1–3
Adjust lock to door
thickness 1–3
Engage retractor in latch 1–4
Install liner, rose, and lever 1–4
Install strike plate 1–4
Install core 1–4
INDEXB–1
iv 7KC Series Service Manual

7KC Series Service Manual v
FIGURES
FUNCTIONS AND PARTS LISTS
Understanding function drawings 2–2
Strikes and strike boxes 2–5
Roses 2–6
Buttons 2–6
Throw member 2–8
#15 Keyed lever for non-interchangeable cylinders 2–8
Latches 2–9
SERVICE AND MAINTENANCE
Removing the keyed lever 3–2
Removing the plain lever or button lever 3–3
Reinstalling the lever (keyed lever shown) 3–4
Removing the inside rose with the screwdriver 3–5
Reinstalling the inside rose and rose liner 3–6
Removing the outside rose 3–7
Reinstalling the outside rose 3–7
Engaging the retractor in the latch 3–8
Removing the button assembly 3–9
Inserting the button assembly into the sleeve 3–9
Engaging the retractor in the latch 3–11
Adjusting the outside rose and liner assembly 3–12

Figures
vi 7KC Series Service Manual

7KC Series Service Manual 1–1
1GETTING STARTED
INTRODUCTION
The 7KC Series Service Manual contains essential
information to help you maintain your 7KC Series
Lock.
CERTIFICATIONS AND STANDARDS
■The product complies with ANSI A156.2,
Series 4000 Grade 2 standards; California
Administrative Code Title 19 and Title 24; Illinois
Accessibility Standard.
■The locks are listed by Underwriter’s Laboratories
for use on 3 Hr., A label single swinging doors
(4´ x 8´).
■The 6KS2 and 6KS3 strike fits the standard door
frame cutout as specified in ANSI A115.2.

Getting Started
1–2 7KC Series Service Manual
DOCUMENTATION PACKAGE
The templates required for lock installations also can be ordered
separately:
The following documentation is available to help you with the
installation, start-up, and maintenance of your 7KC Series Lock.
The installation and assembly instructions also can be ordered
separately:
Do cument Title
Doc.
No.
† These installation instructions are included in this manual. See Installation
Instructions on page A–1.
T80622
T80628
T81196
Installation Instructions for 72KC–75KC Cylindrical Locks†
Installation Instructions for 72KC–75KC OEM Key-in-Knob cylinders
(provided by others)
Installation Instructions for 72KC–75KC Key-in-Knob cylinders
(provided by BEST)
Installation Instructions for 7KC 1DT and 9K 1DT/2DT Dummy Trim
Assemblies
T56076
Document Title
Doc.
No.
T56052
T56053
T56054
T56055
T56056
T56057
T56059
T56060
T56077
T56091
K08 Template for Door and Frame Preparation for 63K, 73KC, 83K,
93K Cylindrical Locks with Small (STK) Strike
K09 Template for Door and Frame Preparation for 63K, 73KC, 83K,
93K Cylindrical Locks with Large (S3) Strike
K10 Template for Door and Frame Preparation for 64K, 74KC, 84K,
94K Cylindrical Locks with Small (STK) Strike
K11 Template for Door and Frame Preparation for 64K, 74KC, 84K,
94K Cylindrical Locks with Large (S3) Strike
K12 Template for Door Frame Preparation for 65K, 75KC, 85K, 95K
Cylindrical Locks with Small (STK) Strike
K13 Template for Door Frame Preparation for 65K, 75KC, 85K, 95K
Cylindrical Locks with Large (S3) Strike
K18 Template for 7KC, 8K, 9K Dummy Trim
K21 Template for Strike Specification for 6K, 7KC, 8K, 9K Cylindrical
Locks
Template for 3 3/4" and 5" Backset for 6K, 7KC, 8K, 9K Cylindrical
Locks with RQE
Template for 2 3/4" Backset for 6K, 7KC, 8K, 9K Cylindrical Locks
with RQE
Template for 2 3/8" Backset for 6K and 7KC Cylindrical Locks
T56092

Getting Started
7KC Series Service Manual 1–3
TECHNICAL SUPPORT
Support
services
Telephone
technical
support
When you have a problem with the 7KC Series Lock, your first resource
for help is the 7KC Series Service Manual . If you cannot find a
satisfactory answer, contact your local dormakaba Representative.
A factory-trained Certified Product Specialist (CPS) is available in your
area whenever you need help. Before you call, however, please make
sure you are where the 7KC Series Lock is, and that you are prepared to
give the following information:
■what happened and what you were doing when the problem arose
■what you have done so far to solve the problem.
dormakaba USA Inc. representatives provide telephone technical
support for all 7 KC Series products. You may locate the representative
nearest you by calling [phone] Monday through Friday, between
8:00 a.m. and 5:00 p.m. eastern standard time; or visit the web page,
https://dhwsupport.dormakaba.com/hc/en-us.

Getting Started
1–4 7KC Series Service Manual